#include <cstdio>
int main()
{
    char s[] = "hello";
    char *p = s;
    int a = 10, b = 20;
    int c = a++ + ++b;
    printf("%d %d %d\n", a, b, c);
    printf("%lld\n", sizeof(s));
    printf("%lld\n", sizeof(p));
}